| # |
ID |
ODE |
Solved? |
Maple |
Mma |
Sympy |
time(sec) |
| 14201 |
\begin{align*}
y^{\prime \prime }-7 y^{\prime }+10 y&=0 \\
y \left (0\right ) &= 1 \\
y^{\prime }\left (0\right ) &= 5 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.477 |
|
| 14202 |
\begin{align*}
y^{\prime \prime }-3 y^{\prime }&=t^{2}-{\mathrm e}^{3 t} \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.477 |
|
| 14203 |
\begin{align*}
x^{\prime }&=x+y-\cos \left (t \right ) \\
y^{\prime }&=-y-2 x+\cos \left (t \right )+\sin \left (t \right ) \\
\end{align*}
With initial conditions \begin{align*}
x \left (0\right ) &= 1 \\
y \left (0\right ) &= -2 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.477 |
|
| 14204 |
\begin{align*}
2 x^{2} y^{\prime \prime }+7 x y^{\prime }-3 y&=\frac {\ln \left (x \right )}{x^{2}} \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.477 |
|
| 14205 |
\begin{align*}
y^{\prime \prime }+3 y^{\prime }&=-18 x \\
y \left (0\right ) &= 0 \\
y^{\prime }\left (0\right ) &= 5 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.477 |
|
| 14206 |
\begin{align*}
4 x^{2} y^{\prime \prime }+4 x y^{\prime }+\left (4 x^{2}-25\right ) y&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.478 |
|
| 14207 |
\begin{align*}
y+y^{\prime }&=\delta \left (t -1\right ) \\
y \left (0\right ) &= 2 \\
\end{align*}
Using Laplace transform method. |
✓ |
✓ |
✓ |
✓ |
1.478 |
|
| 14208 |
\begin{align*}
x^{2} y^{\prime \prime }-19 x y^{\prime }+100 y&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.479 |
|
| 14209 |
\begin{align*}
y^{\prime \prime }-4 y^{\prime }&={\mathrm e}^{4 x} x \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.479 |
|
| 14210 |
\begin{align*}
y^{\prime } \left (x -\ln \left (y^{\prime }\right )\right )&=1 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.480 |
|
| 14211 |
\begin{align*}
y^{\prime }-y&={\mathrm e}^{x} \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.480 |
|
| 14212 |
\begin{align*}
x^{2} \left (x -5\right )^{2} y^{\prime \prime }+4 x y^{\prime }+\left (x^{2}-25\right ) y&=0 \\
\end{align*}
Series expansion around \(x=0\). |
✓ |
✓ |
✓ |
✗ |
1.480 |
|
| 14213 |
\begin{align*}
y y^{\prime \prime }-y^{2} y^{\prime }-{y^{\prime }}^{2}&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
1.480 |
|
| 14214 |
\begin{align*}
y^{\prime \prime }-x^{2} y-x^{2}&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
1.480 |
|
| 14215 |
\begin{align*}
4 y+y^{\prime \prime }&=8 \cos \left (2 x \right )-4 x \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.480 |
|
| 14216 |
\begin{align*}
x^{2} y^{\prime \prime }+x \left (2 x +3\right ) y^{\prime }+\left (1+3 x \right ) y&=0 \\
\end{align*}
Series expansion around \(x=0\). |
✓ |
✓ |
✓ |
✓ |
1.481 |
|
| 14217 |
\begin{align*}
-6 y x -y^{\prime }+x \left (x^{2}+2\right ) y^{\prime \prime }&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
1.481 |
|
| 14218 |
\begin{align*}
y^{\prime \prime }-2 y y^{\prime }&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
1.481 |
|
| 14219 |
\begin{align*}
2 \sin \left (t \right ) y^{\prime \prime }+\left (1-t \right ) y^{\prime }-2 y&=0 \\
\end{align*}
Series expansion around \(t=0\). |
✓ |
✓ |
✓ |
✗ |
1.482 |
|
| 14220 |
\begin{align*}
y^{\prime \prime }+\frac {y^{\prime }}{x}+x^{2} y&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.482 |
|
| 14221 |
\begin{align*}
y^{\prime \prime \prime \prime }+y^{\prime \prime }+y&={\mathrm e}^{i \omega t} \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.482 |
|
| 14222 |
\begin{align*}
x^{2} y^{\prime \prime }+7 x y^{\prime }+25 y&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.483 |
|
| 14223 |
\begin{align*}
y^{\prime \prime }+y&=f \left (x \right ) \\
y \left (0\right ) &= 0 \\
y^{\prime }\left (0\right ) &= 0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.483 |
|
| 14224 |
\begin{align*}
{\mathrm e}^{4 x} \left (y^{\prime }-1\right )+{\mathrm e}^{2 y} {y^{\prime }}^{2}&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
1.483 |
|
| 14225 |
\begin{align*}
x^{\prime \prime }+4 x^{\prime }+5 x&=\delta \left (t -\pi \right )+\delta \left (t -2 \pi \right ) \\
x \left (0\right ) &= 0 \\
x^{\prime }\left (0\right ) &= 2 \\
\end{align*}
Using Laplace transform method. |
✓ |
✓ |
✓ |
✓ |
1.484 |
|
| 14226 |
\begin{align*}
y^{\prime \prime }+p \left (t \right ) y^{\prime }+q \left (t \right ) y&=t +1 \\
\end{align*} |
✗ |
✗ |
✗ |
✗ |
1.484 |
|
| 14227 |
\begin{align*}
y^{\prime }&=\frac {x +F \left (-\left (x -y\right ) \left (x +y\right )\right )}{y} \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
1.484 |
|
| 14228 |
\begin{align*}
x^{2} y^{\prime \prime }-x y^{\prime }+y&=0 \\
y \left (1\right ) &= 2 \\
y^{\prime }\left (1\right ) &= -1 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.484 |
|
| 14229 |
\begin{align*}
y^{\prime \prime }+a^{2} y&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.484 |
|
| 14230 |
\begin{align*}
y^{\prime \prime }+9 y^{\prime }&=0 \\
y \left (0\right ) &= 2 \\
y^{\prime }\left (0\right ) &= -1 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.485 |
|
| 14231 |
\begin{align*}
3 x^{2} y-y^{3}-\left (3 x y^{2}-x^{3}\right ) y^{\prime }&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
1.485 |
|
| 14232 |
\begin{align*}
y&=x y^{\prime }-{y^{\prime }}^{{2}/{3}} \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
1.486 |
|
| 14233 |
\begin{align*}
x y^{\prime \prime }+y^{\prime }+2 y&=0 \\
\end{align*}
Series expansion around \(x=0\). |
✓ |
✓ |
✓ |
✓ |
1.486 |
|
| 14234 |
\begin{align*}
y^{\prime \prime }+2 y^{\prime }+5 y&=\delta \left (-3+t \right ) \\
y \left (0\right ) &= 1 \\
y^{\prime }\left (0\right ) &= 1 \\
\end{align*}
Using Laplace transform method. |
✓ |
✓ |
✓ |
✓ |
1.486 |
|
| 14235 |
\begin{align*}
y^{\prime }&=\left (x^{2}+y^{2}\right )^{2} \\
\end{align*} |
✗ |
✗ |
✗ |
✗ |
1.487 |
|
| 14236 |
\begin{align*}
\left (8 x^{4}+10 x^{2}+1\right ) y-4 x^{3} \left (2 x^{2}+1\right ) y^{\prime }+4 x^{6} y^{\prime \prime }&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
1.487 |
|
| 14237 |
\begin{align*}
x^{2} y^{\prime \prime }-x y^{\prime }+6 y&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.487 |
|
| 14238 |
\begin{align*}
2 x^{2} y^{\prime \prime }+x y^{\prime }-\left (x +1\right ) y&=0 \\
\end{align*}
Series expansion around \(x=0\). |
✓ |
✓ |
✓ |
✓ |
1.487 |
|
| 14239 |
\begin{align*}
y^{\prime \prime }+\frac {2 y^{\prime }}{x}+\frac {a^{2} y}{x^{4}}&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.487 |
|
| 14240 |
\begin{align*}
x y \left (x^{2}+y^{2}\right ) \left (-1+{y^{\prime }}^{2}\right )&=y^{\prime } \left (x^{4}+x^{2} y^{2}+y^{4}\right ) \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.487 |
|
| 14241 |
\begin{align*}
y^{\prime \prime }+4 y^{\prime }+4 y&=0 \\
y \left (-1\right ) &= 2 \\
y^{\prime }\left (-1\right ) &= 1 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.488 |
|
| 14242 |
\begin{align*}
4 y^{2} {y^{\prime }}^{3}-2 x y^{\prime }+y&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
1.488 |
|
| 14243 |
\begin{align*}
x^{\prime }&=-4 x+9 y+12 \,{\mathrm e}^{-t} \\
y^{\prime }&=-5 x+2 y \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.488 |
|
| 14244 |
\begin{align*}
x^{2} y^{\prime \prime }+7 x y^{\prime }+9 y&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.488 |
|
| 14245 |
\begin{align*}
y^{\prime \prime }+b y^{\prime }+c y&=f \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.488 |
|
| 14246 |
\begin{align*}
y^{\prime \prime }-x^{2} y-x^{4}&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
1.490 |
|
| 14247 |
\begin{align*}
y^{\prime }&=-y \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.490 |
|
| 14248 |
\begin{align*}
\left (y^{\prime }-1\right )^{2}&=y^{2} \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.490 |
|
| 14249 |
\begin{align*}
x^{2} y^{\prime \prime }+3 x y^{\prime }+y&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.490 |
|
| 14250 |
\begin{align*}
y^{\prime }&=y-x +1 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.491 |
|
| 14251 |
\begin{align*}
x^{\prime }&=x-x^{2} \\
x \left (0\right ) &= 2 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.491 |
|
| 14252 |
\begin{align*}
x_{1}^{\prime }&=4 x_{1}+x_{2}+x_{3}+7 x_{4} \\
x_{2}^{\prime }&=x_{1}+4 x_{2}+10 x_{3}+x_{4} \\
x_{3}^{\prime }&=x_{1}+10 x_{2}+4 x_{3}+x_{4} \\
x_{4}^{\prime }&=7 x_{1}+x_{2}+x_{3}+4 x_{4} \\
\end{align*}
With initial conditions \begin{align*}
x_{1} \left (0\right ) &= 3 \\
x_{2} \left (0\right ) &= 1 \\
x_{3} \left (0\right ) &= 1 \\
x_{4} \left (0\right ) &= 3 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.491 |
|
| 14253 |
\begin{align*}
x^{\prime }+3 x-2 y&={\mathrm e}^{-t} \\
y^{\prime }-x+4 y&=\sin \left (2 t \right ) \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.491 |
|
| 14254 |
\begin{align*}
m y^{\prime \prime }+b y^{\prime }+k y&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.491 |
|
| 14255 |
\begin{align*}
y^{\prime }&=2 y+{\mathrm e}^{2 t} \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.492 |
|
| 14256 |
\begin{align*}
y^{\prime }&=y \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.492 |
|
| 14257 |
\begin{align*}
x y^{\prime \prime }+\left (a \,x^{n}+2\right ) y^{\prime }+a \,x^{n -1} y&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
1.492 |
|
| 14258 |
\begin{align*}
y^{\prime \prime }+2 b y^{\prime }+y&=k \\
y \left (0\right ) &= 1 \\
y^{\prime }\left (0\right ) &= 0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.492 |
|
| 14259 |
\begin{align*}
\cos \left (x \right ) y^{\prime \prime }+y \sin \left (x \right )&=0 \\
\end{align*}
Series expansion around \(x=0\). |
✓ |
✓ |
✓ |
✓ |
1.492 |
|
| 14260 |
\begin{align*}
y^{\prime \prime }-y&=0 \\
y \left (1\right ) &= 0 \\
y^{\prime }\left (1\right ) &= {\mathrm e} \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.492 |
|
| 14261 |
\begin{align*}
y^{\prime \prime }-\frac {\left (x^{2}+4 x +2\right ) \left (\left (1-x \right ) y^{\prime }+y\right )}{x \left (-x^{2}+2\right )}&=0 \\
\end{align*}
Series expansion around \(x=0\). |
✓ |
✓ |
✓ |
✓ |
1.493 |
|
| 14262 |
\begin{align*}
y^{\prime \prime }+\frac {2 y^{\prime }}{x}+\frac {a^{2} y}{x^{4}}&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.493 |
|
| 14263 |
\begin{align*}
y^{\prime }+a y^{2}-b \,x^{2 \nu }-c \,x^{\nu -1}&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
1.493 |
|
| 14264 |
\begin{align*}
y^{\prime \prime }&=-\frac {b y}{x^{2} \left (x -a \right )^{2}} \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
1.493 |
|
| 14265 |
\begin{align*}
\left (2 x y^{\prime }-y\right )^{2}&=8 x^{3} \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.493 |
|
| 14266 |
\begin{align*}
{y^{\prime }}^{3}+a x y^{\prime }-a y&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
1.494 |
|
| 14267 |
\begin{align*}
3 x^{2} y^{\prime \prime }+5 x y^{\prime }+3 y x&=0 \\
\end{align*}
Series expansion around \(x=0\). |
✓ |
✓ |
✓ |
✓ |
1.494 |
|
| 14268 |
\begin{align*}
x^{4} y^{\prime \prime }+2 x^{3} y^{\prime }+n^{2} y&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.494 |
|
| 14269 |
\begin{align*}
y^{\prime }+1&=2 y \\
y \left (1\right ) &= 1 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.495 |
|
| 14270 |
\begin{align*}
y^{\prime \prime }&=-\frac {1}{2 {y^{\prime }}^{2}} \\
y \left (0\right ) &= 1 \\
y^{\prime }\left (0\right ) &= -1 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.495 |
|
| 14271 |
\begin{align*}
m y^{\prime \prime }-k y&={\mathrm e}^{i \omega t} \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.495 |
|
| 14272 |
\begin{align*}
2 y y^{\prime }&=1 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.495 |
|
| 14273 |
\begin{align*}
2 x y^{\prime }+y&=10 \sqrt {x} \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.496 |
|
| 14274 |
\begin{align*}
x^{\prime }&=2 x+4 y+3 \,{\mathrm e}^{t} \\
y^{\prime }&=5 x-y-t^{2} \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.496 |
|
| 14275 |
\begin{align*}
-2 y+y^{\prime }&=3 \,{\mathrm e}^{t} \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.496 |
|
| 14276 |
\begin{align*}
y^{\prime }+4 y&=\delta \left (-3+t \right ) \\
y \left (0\right ) &= 1 \\
\end{align*}
Using Laplace transform method. |
✓ |
✓ |
✓ |
✓ |
1.496 |
|
| 14277 |
\begin{align*}
x^{2} y^{\prime \prime }+\ln \left (x \right )^{2} y&=0 \\
\end{align*} |
✗ |
✓ |
✗ |
✗ |
1.496 |
|
| 14278 |
\begin{align*}
4 y {y^{\prime }}^{2}+2 x y^{\prime }-y&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.498 |
|
| 14279 |
\begin{align*}
y^{\prime }&=y^{2}+a^{2} x^{2}+b x +c \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
1.498 |
|
| 14280 |
\begin{align*}
y^{\prime \prime }-\left (a +2 b \,{\mathrm e}^{a x}\right ) y^{\prime }+b^{2} {\mathrm e}^{2 a x} y&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
1.498 |
|
| 14281 |
\begin{align*}
\left (1-x \right ) y^{\prime \prime }+x y^{\prime }-y&=\left (1-x \right )^{2} \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
1.498 |
|
| 14282 |
\begin{align*}
y^{\prime \prime }+y^{\prime }&=8 \sin \left (4 x \right ) \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.498 |
|
| 14283 |
\begin{align*}
y^{\prime \prime }+k^{2} y&=k \sin \left (k x +\alpha \right ) \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.498 |
|
| 14284 |
\begin{align*}
u^{\prime }-u^{2}&=\frac {2}{x^{{8}/{3}}} \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
1.499 |
|
| 14285 |
\begin{align*}
x^{\prime }+y^{\prime }-x-3 y&=3 t \\
x^{\prime }+2 y^{\prime }-2 x-3 y&=1 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.499 |
|
| 14286 |
\begin{align*}
x^{2} \left (-x y^{\prime }+y\right )&=y {y^{\prime }}^{2} \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
1.499 |
|
| 14287 |
\begin{align*}
y^{\prime }+p \left (x \right ) y&=q \left (x \right ) \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.500 |
|
| 14288 |
\begin{align*}
-y+2 y^{\prime }&={\mathrm e}^{\frac {t}{3}} \\
y \left (0\right ) &= a \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.500 |
|
| 14289 |
\begin{align*}
-\left (2 x^{2}+1\right ) y+x^{4} y^{\prime \prime }&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.500 |
|
| 14290 |
\begin{align*}
y^{\prime \prime }+a y^{\prime }+\tan \left (x \right )+b y&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.501 |
|
| 14291 |
\begin{align*}
y^{\prime \prime }&=\frac {\left (2 x^{2}-1\right ) y^{\prime }}{x^{3}}-\frac {y}{x^{4}} \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
1.501 |
|
| 14292 |
\begin{align*}
x^{\prime }&=x-y-z \\
y^{\prime }&=x+3 y+z \\
z^{\prime }&=-3 x-6 y+6 z \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.501 |
|
| 14293 |
\begin{align*}
2 \left (x +1\right ) y-2 x \left (x +1\right ) y^{\prime }+x^{2} y^{\prime \prime }&=x^{3} \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
1.502 |
|
| 14294 |
\begin{align*}
y&=a y^{\prime }+b {y^{\prime }}^{2} \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.502 |
|
| 14295 |
\begin{align*}
x^{2} y^{\prime \prime }-2 x y^{\prime }+2 y&=0 \\
\end{align*}
Series expansion around \(x=0\). |
✓ |
✓ |
✓ |
✓ |
1.502 |
|
| 14296 |
\begin{align*}
x^{2} y^{\prime \prime }+x y^{\prime }-25 y&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.503 |
|
| 14297 |
\begin{align*}
x^{2} y^{\prime \prime }+x y^{\prime }-2 y&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✓ |
1.503 |
|
| 14298 |
\begin{align*}
y^{\prime \prime }+3 y^{\prime }+2 y&=\left \{\begin {array}{cc} 1 & 0\le t <10 \\ 0 & \operatorname {otherwise} \end {array}\right . \\
y \left (0\right ) &= 0 \\
y^{\prime }\left (0\right ) &= 0 \\
\end{align*}
Using Laplace transform method. |
✓ |
✓ |
✓ |
✗ |
1.505 |
|
| 14299 |
\begin{align*}
x^{2} y^{\prime \prime }+x \left (3 x +2\right ) y^{\prime }-2 y&=0 \\
\end{align*}
Series expansion around \(x=0\). |
✓ |
✓ |
✓ |
✓ |
1.505 |
|
| 14300 |
\begin{align*}
4 y y^{\prime }-4 {y^{\prime }}^{2} x +x y y^{\prime \prime }&=0 \\
\end{align*} |
✓ |
✓ |
✓ |
✗ |
1.505 |
|